Home / 105,068-144,974.04-62,630.48

Finding the Fourth Proportional to 105,068, 144,974.04 and 62,630.48

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Solution

The fourth proportional to 105,068, 144,974.04 and 62,630.48 is: 86,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,068 : 144,974.04 = 62,630.48 : x
  2. Step 2: Convert to fraction form
    105,068/144,974.04 = 62,630.48/x
  3. Step 3: Cross multiply
    105,068x = 144,974.04 × 62,630.48
  4. Step 4: Simplify right side
    105,068x = 9,079,793,712.74
  5. Step 5: Solve for x
    x = 9,079,793,712.74/105,068
  6. Step 6: Final answer
    x = 86,418.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.